65840840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2389}}^1$

素因数の和:2466

約数の個数: 64

約数和(自身を含む): 162615600

約数和(自身を除く): 96774760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2389, 2756, 3445, 4778, 5512, 6890, 9556, 11945, 13780, 19112, 23890, 27560, 31057, 47780, 62114, 95560, 124228, 126617, 155285, 248456, 253234, 310570, 506468, 621140, 633085, 1012936, 1242280, 1266170, 1646021, 2532340, 3292042, 5064680, 6584084, 8230105, 13168168, 16460210, 32920420, 65840840]

約数ペア:

[(1, 65840840), (2, 32920420), (4, 16460210), (5, 13168168), (8, 8230105), (10, 6584084), (13, 5064680), (20, 3292042), (26, 2532340), (40, 1646021), (52, 1266170), (53, 1242280), (65, 1012936), (104, 633085), (106, 621140), (130, 506468), (212, 310570), (260, 253234), (265, 248456), (424, 155285), (520, 126617), (530, 124228), (689, 95560), (1060, 62114), (1378, 47780), (2120, 31057), (2389, 27560), (2756, 23890), (3445, 19112), (4778, 13780), (5512, 11945), (6890, 9556)]